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Python json.loads shows ValueError: Extra data
...data from a JSON file "new.json", and I want to filter some data and store it into a new JSON file. Here is my code:
9 Answ...
String comparison in Python: is vs. == [duplicate]
I noticed a Python script I was writing was acting squirrelly, and traced it to an infinite loop, where the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
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Short description of the scoping rules?
...ese rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)
LEGB Rule
Local — Names assigned in any way within a function (def or lambda), and not declared global in that function
Enclosing-function — Names assigned in the local scope of...
Best way to convert an ArrayList to a string
...that I want to output completely as a String. Essentially I want to output it in order using the toString of each element separated by tabs. Is there any fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
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Define a lambda expression that raises an Exception
How can I write a lambda expression that's equivalent to:
6 Answers
6
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Using margin:auto to vertically-align a div
...ly if we use margin:0 auto; . Should margin:auto auto; work how I think it should work? Centering it vertically as well?
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Select elements by attribute
I have a collection of checkboxes with generated ids and some of them have an extra attribute. Is it possible to use JQuery to check if an element has a specific attribute?
For example, can I verify if the following element has the attribute "myattr"? The value of the attribute can vary.
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Is explicitly closing files important?
In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this:
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How to pass command line arguments to a rake task
...ons and dependencies need to be inside arrays:
namespace :thing do
desc "it does a thing"
task :work, [:option, :foo, :bar] do |task, args|
puts "work", args
end
task :another, [:option, :foo, :bar] do |task, args|
puts "another #{args}"
Rake::Task["thing:work"].invoke(args[:o...
In Perl, how can I read an entire file into a string?
...dules you want. See How do I keep my own module/library directory?.
In addition, Path::Class::File allows you to slurp and spew.
Path::Tiny gives even more convenience methods such as slurp, slurp_raw, slurp_utf8 as well as their spew counterparts.
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